| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cluster analysis method that can accurately classify business entities similar in target improvement direction into the same group. <P>SOLUTION: The cluster analysis method comprises: (a) sorting attributes into input attributes and output attributes; (b) calculating the efficiency of production of the output attribute data from the input attribute data about each business entity by using a formulated model of efficiency calculation by data envelopment analysis (DEA); and (c) classifying each business entity under some groups according to weights for generating an efficient frontier, calculated simultaneously in the efficiency calculation using the formulated model. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
